Mirror server see here: /etc/apt/sources.list
root@tutorialspots:~# cat /etc/apt/sources.list # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://sg.archive.ubuntu.com/ubuntu jammy main restricted # deb-src http://sg.archive.ubuntu.com/ubuntu jammy main restricted ## Major bug fix updates produced after the final release of the ## distribution. deb http://sg.archive.ubuntu.com/ubuntu jammy-updates main restricted # deb-src http://sg.archive.ubuntu.com/ubuntu jammy-updates main restricted ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. deb http://sg.archive.ubuntu.com/ubuntu jammy universe # deb-src http://sg.archive.ubuntu.com/ubuntu jammy universe deb http://sg.archive.ubuntu.com/ubuntu jammy-updates universe # deb-src http://sg.archive.ubuntu.com/ubuntu jammy-updates universe ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. deb http://sg.archive.ubuntu.com/ubuntu jammy multiverse # deb-src http://sg.archive.ubuntu.com/ubuntu jammy multiverse deb http://sg.archive.ubuntu.com/ubuntu jammy-updates multiverse # deb-src http://sg.archive.ubuntu.com/ubuntu jammy-updates multiverse ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. deb http://sg.archive.ubuntu.com/ubuntu jammy-backports main restricted universe multiverse # deb-src http://sg.archive.ubuntu.com/ubuntu jammy-backports main restricted universe multiverse deb http://sg.archive.ubuntu.com/ubuntu jammy-security main restricted # deb-src http://sg.archive.ubuntu.com/ubuntu jammy-security main restricted deb http://sg.archive.ubuntu.com/ubuntu jammy-security universe # deb-src http://sg.archive.ubuntu.com/ubuntu jammy-security universe deb http://sg.archive.ubuntu.com/ubuntu jammy-security multiverse # deb-src http://sg.archive.ubuntu.com/ubuntu jammy-security multiverse
change sg.archive.ubuntu.com
to any mirror like de.archive.ubuntu.com , be.archive.ubuntu.com , us.archive.ubuntu.com
…
sed -E -i 's#http://[^\s]*archive\.ubuntu\.com/ubuntu#http://de.archive.ubuntu.com/ubuntu#g' '/etc/apt/sources.list'